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Little Ice Age is Still With Us

March 30, 2007
By Lawrence Solomon

The Earth slowly but surely warmed over the course of the 20th century, global temperatures increasing by about half a degree Celsius.

The Earth slowly but surely warmed over the course of the 20th century, global temperatures increasing by about half a degree Celsius. The evidence for this global warming comes from ice core data from the Arctic island of Severnaya Zemlya, published just last year.

The Earth slowly but surely warmed over the course of the 19th century, too, global temperatures again increasing by about half a degree Celsius. The evidence for this global warming comes from the same ice core data.

The Earth slowly but surely warmed over the course of the 18th century, too, global temperatures increasing by about a half a degree Celsius. The evidence for the global warming that occurred during the 18th century comes from multiple sources, all well recognized.

The Earth slowly but surely warmed over the course of the latter part of the 17th century as well, global temperatures increasing at the rate of about a half a degree Celsius per century, according to one of those multiple sources, the only one that extends that far back.

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